Bed frame



FIG. 1 is a perspective view of a bed frame showing the claimed design;

FIG. 2 is a right side view of the design of the bed frame shown in FIG. 1;

FIG. 3 is a left side view of the design of the bed frame shown in FIG. 1;

FIG. 4 is a top view of the design of the bed frame shown in FIG. 1;

FIG. 5 is a bottom view of the design of the bed frame shown in FIG. 1;

FIG. 6 is a front view of the design of the bed frame shown in FIG. 1; and,

FIG. 7 is a rear view of the design of the bed frame shown in FIG. 1. 

I claim the ornamental design for a bed frame, as shown and described. 